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Lawn-Boy S21ZPR lawn mower Parts

Here are the diagrams and repair parts for Lawn-Boy S21ZPR lawn mower, as well as links to manuals and error code tables, if available.

Lawn-Boy S21ZPR lawn mower
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Browse Parts for S21ZPR Walk-Behind Mowers

  • Toro Screw- Sems for Lawn-Boy S21ZPR - Part 614677

    Housing and shroud group diagram

    Screw

    Part #607809

    Replaced by #614677

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    Manufacturer substitution
    This part replaces 607809. Substitute parts can look different from the original.
    In Stock
    $32.03
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    Qty
    Plus Item
  • Toro Lever Knob for Lawn-Boy S21ZPR - Part 683663

    Handle group diagram

    Lever Knob

    Part #683663

    Replaced by #683663

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    Manufacturer substitution
    This part replaces 683663. Substitute parts can look different from the original.
    In Stock
    $57.30
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  • Toro Collar Plate for Lawn-Boy S21ZPR - Part 677525

    Housing and shroud group diagram

    Collar Plate

    Part #677525

    Replaced by #677525

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    Manufacturer substitution
    This part replaces 677525. Substitute parts can look different from the original.
    In Stock
    $127.44
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  • Toro Control Cable for Lawn-Boy S21ZPR - Part 683943

    Handle group diagram

    Control Cable

    Part #683943

    Replaced by #683943

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    Manufacturer substitution
    This part replaces 683943. Substitute parts can look different from the original.
    In Stock
    $262.37
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  • Toro Hex Screw for Lawn-Boy S21ZPR - Part 613233

    Engine group diagram

    Hex Screw

    Part #613233

    Replaced by #613233

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    Manufacturer substitution
    This part replaces 613233. Substitute parts can look different from the original.
    In Stock
    $31.81
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  • Toro Adapter for Lawn-Boy S21ZPR - Part 684727-03

    Rear grass catcher group diagram

    Adapter A'y

    Part #684166

    Replaced by #684727-03

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    Manufacturer substitution
    This part replaces 684166. Substitute parts can look different from the original.
    In Stock
    $209.36
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  • Toro Screw for Lawn-Boy S21ZPR - Part 612428

    Housing and shroud group diagram

    Screw

    Part #612428

    Replaced by #612428

    Info Icon
    Manufacturer substitution
    This part replaces 612428. Substitute parts can look different from the original.
    In Stock
    $28.82
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    Qty
    Plus Item
  • Toro Hanger for Lawn-Boy S21ZPR - Part 613455

    Rear grass catcher group diagram

    Hanger

    Part #613455

    Replaced by #613455

    Info Icon
    Manufacturer substitution
    This part replaces 613455. Substitute parts can look different from the original.
    In Stock
    $118.97
    9% OFF Phone Price : $130.97Info Icon
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  • Toro Screw for Lawn-Boy S21ZPR - Part 609947

    Engine group diagram

    Screw

    Part #609947

    Replaced by #609947

    Info Icon
    Manufacturer substitution
    This part replaces 609947. Substitute parts can look different from the original.
    In Stock
    $42.85
    Minus Item
    Qty
    Plus Item
  • Toro Lawn Mower Grass Bag for Lawn-Boy S21ZPR - Part 100-6362

    Bag Assembly

    Part #684168

    Replaced by #100-6362

    Info Icon
    Manufacturer substitution
    This part replaces 684168. Substitute parts can look different from the original.
    In Stock
    $315.21
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Most common symptoms to help you fix your walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

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Why does my lawn mower run rough?

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

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Why won't my lawn mower start?

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

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Why does my lawn mower vibrate a lot?

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

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Why does my lawn mower cut unevenly?

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

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Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

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Why won't my lawn mower move?

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

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Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

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How to replace a lawn mower front deck tray

How to replace a lawn mower front deck tray

Learn how to replace the front deck tray on your lawn mower if it's cracked or damaged.…

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Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

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Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Read more

Repair time and Difficulty

 45 minutes or less

Effective articles & videos to help repair your walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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The best time of day to mow grass (and when you should absolutely not)

The best time of day to mow grass (and when you should absolutely not)

Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…

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Is it time to switch to an electric lawn mower?

Is it time to switch to an electric lawn mower?

See a comparison of cordless lawn mowers and gas mowers so you can decide which is best for you.…

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Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

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